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Trajectory Feature
A Trajectory feature is a string of constrained waypoints intended to be followed by an entity. Waypoints are linked with a straight line. A trajectory is not smoothed.
Like for other features, a trajectory will only be a support for a component or a logic.
A trajectory has extremity points and waypoints. Actions can be specified when an extremity point is reached.
A trajectory is not to be compared with an entity plan. A trajectory exists even without entity using it. Also, several entities can use the same trajectory, at different time and speed.
A trajectory can also be followed with an offset, in one way or the other.
Trajectory can be modified at design and runtime.
Typical use of a trajectory is to provide direction and rough route following for entities, unit or some special zones (like clouds or bad weather).
Built-in component which uses Trajectory feature: MotionFollow.
